Kubota K008-5, Operating Instructions Manual

Page: 150 / 168

148
W9215-8135-1
06/2021
Maintenance
Bolted joints - check
The table below contains the torques for nuts and bolts. These may only be tightened with a torque wrench. Miss-
ing values can be requested from KUBOTA.
Tightening torque for screws
Nm (
kgf

m
)
Tightening torque for hose clamps
Tightening torque for hydraulic hoses
Are also valid for adaptor with pre-mounted nut.
4 T (4.6) 7 T (8.8) 9 T (9.8-10.9)
M 6
7.8~9.3
(0.8~0.95)
9.8~11.3
(1.0~1.15)
12.3~14.2
(1.25~1.45)
M 8
17.7~20.6
(1.8~2.1)
23.5~27.5
(2.4~2.8)
29.4~34.3
(3.0~3.5)
M 10
39.2~45.1
(4.0~4.6)
48.1~55.9
(4.9~5.7)
60.8~70.6
(6.2~7.2)
M 12
62.8~72.6
(6.4~7.4)
77.5~90.2
(7.9~9.2)
103.0~117.7
(10.5~12.0)
M 14
107.9~125.5
(11.0~12.8)
123.6~147.1
(12.6~15.0)
166.7~196.1
(17.0~20.0)
M 16
166.7~191.2
(17.0~19.5)
196.1~225.6
(20.0~23.0)
259.9~304.0
(26.5~31.0)
M 20
333.4~392.3
(34.0~40.0)
367.7~431.5
(37.5~44.0)
519.8~568.8
(53.0~58.0)
Size [mm] Torque [Nm]
13-20 3.5
15-24 3.5
22-32 3.5 - 5
26-38 3.5 - 5
40-60 3.5 - 5
38-50 3.5 - 5
50-65 3.5 - 6
68-85 3.5 - 6
Wrench size [mm] Torque [Nm] Hose size Thread
14 20-25 DN 4-1/8" M12x1.5
17 25-30 DN 6-1/4" M14x1.5
19 30-35 DN 8-5/16" M16x1.5
22 40-45 DN 10-3/8" M18x1.5
27 50-55 DN 13-1/2" M22x1.5